/*
 * Duplicate Detector Copyright (C) 2010 Marco Biscaro <marcobiscaro2112@gmail.com>
 * 
 * This file is part of Duplicate Detector.
 *
 * Duplicate Detector is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Duplicate Detector is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Duplicate Detector.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.googlecode.duplicatedetector.controller;

import java.awt.Component;
import java.awt.Window;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;

import javax.swing.JFileChooser;
import javax.swing.JOptionPane;
import javax.swing.SwingUtilities;

import com.googlecode.duplicatedetector.model.FileListModel;

/**
 * Shows a {@link JOptionPane} and adds the selected directory to the
 * {@link FileListModel}.
 * 
 * @author Marco Biscaro
 */
public class AddFileActionListener implements ActionListener {

	private FileListModel listModel;
	private JFileChooser fileChooser;
	private Component comp;

	public AddFileActionListener(FileListModel listModel,
			JFileChooser fileChooser, Component comp) {
		this.listModel = listModel;
		this.fileChooser = fileChooser;
		this.comp = comp;
	}

	@Override
	public void actionPerformed(ActionEvent e) {
		Window parent = SwingUtilities.getWindowAncestor(comp);
		SwingUtilities.updateComponentTreeUI(fileChooser);
		int result = fileChooser.showOpenDialog(parent);
		File file = fileChooser.getSelectedFile();
		if (result != JFileChooser.APPROVE_OPTION || file == null
				|| !file.exists()) {
			return;
		}
		listModel.add(file);
	}

}
